Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Marshall (KASL)

Lat: 32.52°NLon: 94.31°WElev: 357ft.

Fair

85°F

29°C

Humidity 58%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Aug 9:35 pm CDT
Extended Forecast for

Jefferson TX

Heat Advisory August 17, 09:43pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 09:43pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Heat index values as high as 111. Calm wind becoming west around 5 mph.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 109. Calm wind becoming southwest around 5 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 105. Heat index values as high as 111. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 109. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 101.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson TX
 32.77°N 94.35°W (Elev. 217 ft)
6:30 pm CDT Aug 17, 2026
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database